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<li class="toctree-l1"><a class="reference internal" href="intro/index.html">Introduction</a><ul>
<li class="toctree-l2"><a class="reference internal" href="intro/index.html#key-features">Key features</a></li>
<li class="toctree-l2"><a class="reference internal" href="intro/index.html#requirements">Requirements</a></li>
<li class="toctree-l2"><a class="reference internal" href="intro/index.html#license">License</a></li>
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<li class="toctree-l2"><a class="reference internal" href="intro/index.html#release-policy">Release policy</a><ul>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#branches">Branches</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#release-cycle">Release cycle</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#tags">Tags</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#changelog">Changelog</a></li>
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<li class="toctree-l2"><a class="reference internal" href="intro/index.html#faq">FAQ</a><ul>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#where-can-i-ask-questions">Where can I ask questions?</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#is-my-mcu-hardware-supported">Is my MCU/hardware supported?</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#is-my-display-supported">Is my display supported?</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#nothing-happens-my-display-driver-is-not-called-what-have-i-missed">Nothing happens, my display driver is not called. What have I missed?</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#why-the-display-driver-is-called-only-once-only-the-upper-part-of-the-display-is-refreshed">Why the display driver is called only once? Only the upper part of the display is refreshed.</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#why-i-see-only-garbage-on-the-screen">Why I see only garbage on the screen?</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#why-i-see-non-sense-colors-on-the-screen">Why I see non-sense colors on the screen?</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#how-to-speed-up-my-ui">How to speed up my UI?</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#how-to-reduce-flash-rom-usage">How to reduce flash/ROM usage?</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#how-to-reduce-the-ram-usage">How to reduce the RAM usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="intro/index.html#how-to-work-with-an-operating-system">How to work with an operating system?</a></li>
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<li class="toctree-l1"><a class="reference internal" href="get-started/index.html">Get started</a><ul>
<li class="toctree-l2"><a class="reference internal" href="get-started/quick-overview.html">Quick overview</a><ul>
<li class="toctree-l3"><a class="reference internal" href="get-started/quick-overview.html#get-started-in-a-simulator">Get started in a simulator</a></li>
<li class="toctree-l3"><a class="reference internal" href="get-started/quick-overview.html#add-lvgl-into-your-project">Add LVGL into your project</a></li>
<li class="toctree-l3"><a class="reference internal" href="get-started/quick-overview.html#learn-the-basics">Learn the basics</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/quick-overview.html#widgets">Widgets</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/quick-overview.html#events">Events</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/quick-overview.html#parts">Parts</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/quick-overview.html#states">States</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/quick-overview.html#styles">Styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/quick-overview.html#themes">Themes</a></li>
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<li class="toctree-l3"><a class="reference internal" href="get-started/quick-overview.html#examples">Examples</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/quick-overview.html#button-with-label">Button with label</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/quick-overview.html#styling-buttons">Styling buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/quick-overview.html#slider-and-alignment">Slider and alignment</a></li>
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<li class="toctree-l3"><a class="reference internal" href="get-started/quick-overview.html#micropython">Micropython</a></li>
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<li class="toctree-l2"><a class="reference internal" href="get-started/pc-simulator.html">Simulator on PC</a><ul>
<li class="toctree-l3"><a class="reference internal" href="get-started/pc-simulator.html#select-an-ide">Select an IDE</a></li>
<li class="toctree-l3"><a class="reference internal" href="get-started/pc-simulator.html#set-up-eclipse-cdt">Set-up Eclipse CDT</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/pc-simulator.html#install-eclipse-cdt">Install Eclipse CDT</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/pc-simulator.html#install-sdl-2">Install SDL 2</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/pc-simulator.html#pre-configured-project">Pre-configured project</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/pc-simulator.html#add-the-pre-configured-project-to-eclipse-cdt">Add the pre-configured project to Eclipse CDT</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/pc-simulator.html#compile-and-run">Compile and Run</a></li>
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<li class="toctree-l2"><a class="reference internal" href="get-started/stm32.html">STM32</a></li>
<li class="toctree-l2"><a class="reference internal" href="get-started/nxp.html">NXP</a><ul>
<li class="toctree-l3"><a class="reference internal" href="get-started/nxp.html#creating-new-project-with-lvgl">Creating new project with LVGL</a></li>
<li class="toctree-l3"><a class="reference internal" href="get-started/nxp.html#adding-hw-acceleration-for-nxp-imx-rt-platforms-using-pxp-pixel-pipeline-engine-for-existing-projects">Adding HW acceleration for NXP iMX RT platforms using PXP (PiXel Pipeline) engine for existing projects</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/nxp.html#features-supported">Features supported:</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/nxp.html#basic-configuration">Basic configuration:</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/nxp.html#basic-initialization">Basic initialization:</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/nxp.html#project-setup">Project setup:</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/nxp.html#advanced-configuration">Advanced configuration:</a></li>
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<li class="toctree-l2"><a class="reference internal" href="get-started/espressif.html">Espressif (ESP32)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="get-started/espressif.html#get-the-lvgl-demo-project-for-esp32">Get the LVGL demo project for ESP32</a></li>
<li class="toctree-l3"><a class="reference internal" href="get-started/espressif.html#use-lvgl-in-your-esp32-project">Use LVGL in your ESP32 project</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/espressif.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/espressif.html#get-lvgl">Get LVGL</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="get-started/espressif.html#use-lvgl-esp32-drivers-in-your-project">Use lvgl_esp32_drivers in your project</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/espressif.html#support-for-esp32-s2">Support for ESP32-S2</a></li>
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</ul>
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<li class="toctree-l2"><a class="reference internal" href="get-started/arduino.html">Arduino</a><ul>
<li class="toctree-l3"><a class="reference internal" href="get-started/arduino.html#get-the-lvgl-ardunio-library">Get the LVGL Ardunio library</a></li>
<li class="toctree-l3"><a class="reference internal" href="get-started/arduino.html#set-up-drivers">Set up drivers</a></li>
<li class="toctree-l3"><a class="reference internal" href="get-started/arduino.html#configure-lvgl">Configure LVGL</a></li>
<li class="toctree-l3"><a class="reference internal" href="get-started/arduino.html#configure-the-examples">Configure the examples</a></li>
<li class="toctree-l3"><a class="reference internal" href="get-started/arduino.html#initialize-lvgl-and-run-an-example">Initialize LVGL and run an example</a></li>
<li class="toctree-l3"><a class="reference internal" href="get-started/arduino.html#debugging-and-logging">Debugging and logging</a></li>
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<li class="toctree-l2"><a class="reference internal" href="get-started/micropython.html">Micropython</a><ul>
<li class="toctree-l3"><a class="reference internal" href="get-started/micropython.html#what-is-micropython">What is Micropython?</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/micropython.html#highlights-of-micropython">Highlights of Micropython</a></li>
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<li class="toctree-l3"><a class="reference internal" href="get-started/micropython.html#why-micropython-lvgl">Why Micropython + LVGL?</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/micropython.html#here-are-some-advantages-of-using-lvgl-in-micropython">Here are some advantages of using LVGL in Micropython:</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/micropython.html#micropython-lvgl-could-be-used-for">Micropython + LVGL could be used for:</a></li>
</ul>
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<li class="toctree-l3"><a class="reference internal" href="get-started/micropython.html#so-what-does-it-look-like">So what does it look like?</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/micropython.html#a-simple-example">A simple example</a></li>
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<li class="toctree-l3"><a class="reference internal" href="get-started/micropython.html#how-can-i-use-it">How can I use it?</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/micropython.html#online-simulator">Online Simulator</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/micropython.html#pc-simulator">PC Simulator</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/micropython.html#embedded-platform">Embedded platform</a></li>
</ul>
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<li class="toctree-l3"><a class="reference internal" href="get-started/micropython.html#where-can-i-find-more-information">Where can I find more information?</a></li>
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<li class="toctree-l2"><a class="reference internal" href="get-started/nuttx.html">NuttX RTOS</a><ul>
<li class="toctree-l3"><a class="reference internal" href="get-started/nuttx.html#what-is-nuttx">What is NuttX?</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/nuttx.html#highlights-of-nuttx">Highlights of NuttX</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="get-started/nuttx.html#why-nuttx-lvgl">Why NuttX + LVGL?</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/nuttx.html#here-are-some-advantages-of-using-lvgl-in-nuttx">Here are some advantages of using LVGL in NuttX</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/nuttx.html#nuttx-lvgl-could-be-used-for">NuttX + LVGL could be used for</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="get-started/nuttx.html#how-to-get-started-with-nuttx-and-lvgl">How to get started with NuttX and LVGL?</a><ul>
<li class="toctree-l4"><a class="reference internal" href="get-started/nuttx.html#first-you-need-to-install-the-pre-requisite-on-your-system">First you need to install the pre-requisite on your system</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/nuttx.html#now-let-s-to-create-a-workspace-to-save-our-files">Now let's to create a workspace to save our files</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/nuttx.html#clone-the-nuttx-and-apps-repositories">Clone the NuttX and Apps repositories:</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/nuttx.html#configure-nuttx-to-use-the-stm32f429i-disco-board-and-the-lvgl-demo">Configure NuttX to use the stm32f429i-disco board and the LVGL Demo</a></li>
<li class="toctree-l4"><a class="reference internal" href="get-started/nuttx.html#flashing-the-firmware-in-the-board-using-openocd">Flashing the firmware in the board using OpenOCD:</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="get-started/nuttx.html#where-can-i-find-more-information">Where can I find more information?</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="porting/index.html">Porting</a><ul>
<li class="toctree-l2"><a class="reference internal" href="porting/sys.html">System overview</a></li>
<li class="toctree-l2"><a class="reference internal" href="porting/project.html">Set-up a project</a><ul>
<li class="toctree-l3"><a class="reference internal" href="porting/project.html#get-the-library">Get the library</a></li>
<li class="toctree-l3"><a class="reference internal" href="porting/project.html#configuration-file">Configuration file</a></li>
<li class="toctree-l3"><a class="reference internal" href="porting/project.html#initialization">Initialization</a></li>
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<li class="toctree-l2"><a class="reference internal" href="porting/display.html">Display interface</a><ul>
<li class="toctree-l3"><a class="reference internal" href="porting/display.html#display-buffer">Display buffer</a></li>
<li class="toctree-l3"><a class="reference internal" href="porting/display.html#display-driver">Display driver</a></li>
<li class="toctree-l3"><a class="reference internal" href="porting/display.html#rotation">Rotation</a></li>
<li class="toctree-l3"><a class="reference internal" href="porting/display.html#api">API</a></li>
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<li class="toctree-l2"><a class="reference internal" href="porting/indev.html">Input device interface</a><ul>
<li class="toctree-l3"><a class="reference internal" href="porting/indev.html#types-of-input-devices">Types of input devices</a><ul>
<li class="toctree-l4"><a class="reference internal" href="porting/indev.html#touchpad-mouse-or-any-pointer">Touchpad, mouse or any pointer</a></li>
<li class="toctree-l4"><a class="reference internal" href="porting/indev.html#keypad-or-keyboard">Keypad or keyboard</a></li>
<li class="toctree-l4"><a class="reference internal" href="porting/indev.html#encoder">Encoder</a></li>
<li class="toctree-l4"><a class="reference internal" href="porting/indev.html#button">Button</a></li>
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<li class="toctree-l3"><a class="reference internal" href="porting/indev.html#other-features">Other features</a></li>
<li class="toctree-l3"><a class="reference internal" href="porting/indev.html#api">API</a></li>
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<li class="toctree-l2"><a class="reference internal" href="porting/tick.html">Tick interface</a><ul>
<li class="toctree-l3"><a class="reference internal" href="porting/tick.html#api">API</a></li>
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<li class="toctree-l2"><a class="reference internal" href="porting/task-handler.html">Task Handler</a></li>
<li class="toctree-l2"><a class="reference internal" href="porting/sleep.html">Sleep management</a></li>
<li class="toctree-l2"><a class="reference internal" href="porting/os.html">Operating system and interrupts</a><ul>
<li class="toctree-l3"><a class="reference internal" href="porting/os.html#tasks-and-threads">Tasks and threads</a></li>
<li class="toctree-l3"><a class="reference internal" href="porting/os.html#interrupts">Interrupts</a></li>
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<li class="toctree-l2"><a class="reference internal" href="porting/log.html">Logging</a><ul>
<li class="toctree-l3"><a class="reference internal" href="porting/log.html#log-level">Log level</a></li>
<li class="toctree-l3"><a class="reference internal" href="porting/log.html#logging-with-printf">Logging with printf</a></li>
<li class="toctree-l3"><a class="reference internal" href="porting/log.html#custom-log-function">Custom log function</a></li>
<li class="toctree-l3"><a class="reference internal" href="porting/log.html#add-logs">Add logs</a></li>
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</ul>
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<li class="toctree-l1"><a class="reference internal" href="overview/index.html">Overview</a><ul>
<li class="toctree-l2"><a class="reference internal" href="overview/object.html">Objects</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/object.html#attributes">Attributes</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/object.html#basic-attributes">Basic attributes</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/object.html#specific-attributes">Specific attributes</a></li>
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<li class="toctree-l3"><a class="reference internal" href="overview/object.html#working-mechanisms">Working mechanisms</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/object.html#parent-child-structure">Parent-child structure</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/object.html#moving-together">Moving together</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/object.html#visibility-only-on-the-parent">Visibility only on the parent</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/object.html#create-delete-objects">Create - delete objects</a></li>
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<li class="toctree-l3"><a class="reference internal" href="overview/object.html#screens">Screens</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/object.html#create-screens">Create screens</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/object.html#get-the-active-screen">Get the active screen</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/object.html#load-screens">Load screens</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/object.html#handling-multiple-displays">Handling multiple displays</a></li>
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<li class="toctree-l3"><a class="reference internal" href="overview/object.html#parts">Parts</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/object.html#states">States</a></li>
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<li class="toctree-l2"><a class="reference internal" href="overview/layer.html">Layers</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/layer.html#order-of-creation">Order of creation</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/layer.html#bring-to-the-foreground">Bring to the foreground</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/layer.html#top-and-sys-layers">Top and sys layers</a></li>
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<li class="toctree-l2"><a class="reference internal" href="overview/event.html">Events</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/event.html#event-types">Event types</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/event.html#generic-events">Generic events</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/event.html#special-events">Special events</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/event.html#custom-data">Custom data</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/event.html#send-events-manually">Send events manually</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/event.html#arbitrary-events">Arbitrary events</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/event.html#refresh-event">Refresh event</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="overview/style.html">Styles</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#states">States</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#cascading-styles">Cascading styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#inheritance">Inheritance</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#parts">Parts</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#initialize-styles-and-set-get-properties">Initialize styles and set/get properties</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#managing-style-list">Managing style list</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#local-styles">Local styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#transitions">Transitions</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#properties">Properties</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#mixed-properties">Mixed properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#padding-and-margin-properties">Padding and margin properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#background-properties">Background properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#border-properties">Border properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#outline-properties">Outline properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#shadow-properties">Shadow properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#pattern-properties">Pattern properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#value-properties">Value properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#text-properties">Text properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#line-properties">Line properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#image-properties">Image properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#transition-properties">Transition properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#scale-properties">Scale properties</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#themes">Themes</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#extending-themes">Extending themes</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/style.html#styling-a-button">Styling a button</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/style.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="overview/indev.html">Input devices</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/indev.html#pointers">Pointers</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/indev.html#keypad-and-encoder">Keypad and encoder</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/indev.html#groups">Groups</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/indev.html#styling">Styling</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/indev.html#api">API</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/indev.html#input-device">Input device</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/indev.html#id1">Groups</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="overview/display.html">Displays</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/display.html#multiple-display-support">Multiple display support</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#using-only-one-display">Using only one display</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#mirror-display">Mirror display</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#split-image">Split image</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/display.html#screens">Screens</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#transparent-screens">Transparent screens</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/display.html#features-of-displays">Features of displays</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#inactivity">Inactivity</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#background">Background</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/display.html#colors">Colors</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#convert-color">Convert color</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#swap-16-colors">Swap 16 colors</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#create-and-mix-colors">Create and mix colors</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#opacity">Opacity</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#built-in-colors">Built-in colors</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/display.html#api">API</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#display">Display</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/display.html#id1">Colors</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="overview/font.html">Fonts</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/font.html#unicode-support">Unicode support</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/font.html#built-in-fonts">Built-in fonts</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/font.html#normal-fonts">Normal fonts</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/font.html#special-fonts">Special fonts</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/font.html#special-features">Special features</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/font.html#bidirectional-support">Bidirectional support</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/font.html#arabic-and-persian-support">Arabic and Persian support</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/font.html#subpixel-rendering">Subpixel rendering</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/font.html#compress-fonts">Compress fonts</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/font.html#add-new-font">Add new font</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/font.html#add-new-symbols">Add new symbols</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/font.html#load-font-in-run-time">Load font in run-time</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/font.html#add-a-new-font-engine">Add a new font engine</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="overview/image.html">Images</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/image.html#store-images">Store images</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#variables">Variables</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#files">Files</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/image.html#color-formats">Color formats</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/image.html#add-and-use-images">Add and use images</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#online-converter">Online converter</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#manually-create-an-image">Manually create an image</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#use-images">Use images</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/image.html#image-decoder">Image decoder</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#custom-image-formats">Custom image formats</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#register-an-image-decoder">Register an image decoder</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#manually-use-an-image-decoder">Manually use an image decoder</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/image.html#image-caching">Image caching</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#cache-size">Cache size</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#value-of-images">Value of images</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#memory-usage">Memory usage</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#clean-the-cache">Clean the cache</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="overview/image.html#api">API</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#id1">Image decoder</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#image-cache">Image cache</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#image-buffer">Image buffer</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/image.html#image-draw">Image draw</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="overview/file-system.html">File system</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/file-system.html#add-a-driver">Add a driver</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/file-system.html#usage-example">Usage example</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/file-system.html#use-drivers-for-images">Use drivers for images</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/file-system.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="overview/animation.html">Animations</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/animation.html#create-an-animation">Create an animation</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/animation.html#animation-path">Animation path</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/animation.html#speed-vs-time">Speed vs time</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/animation.html#delete-animations">Delete animations</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/animation.html#api">API</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/animation.html#input-device">Input device</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="overview/task.html">Tasks</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/task.html#create-a-task">Create a task</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/task.html#ready-and-reset">Ready and Reset</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/task.html#set-parameters">Set parameters</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/task.html#one-shot-tasks">One-shot tasks</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/task.html#measure-idle-time">Measure idle time</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/task.html#asynchronous-calls">Asynchronous calls</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/task.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="overview/drawing.html">Drawing</a><ul>
<li class="toctree-l3"><a class="reference internal" href="overview/drawing.html#buffering-types">Buffering types</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/drawing.html#mechanism-of-screen-refreshing">Mechanism of screen refreshing</a></li>
<li class="toctree-l3"><a class="reference internal" href="overview/drawing.html#masking">Masking</a><ul>
<li class="toctree-l4"><a class="reference internal" href="overview/drawing.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="overview/drawing.html#micropython">MicroPython</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="widgets/index.html">Widgets</a><ul>
<li class="toctree-l2"><a class="reference internal" href="widgets/obj.html">Base object (lv_obj)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/obj.html#overview">Overview</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#coordinates">Coordinates</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#parents-and-children">Parents and children</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#screens">Screens</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#layers">Layers</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#events">Events</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/obj.html#parts">Parts</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#states">States</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#style">Style</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#attributes">Attributes</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#protect">Protect</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#groups">Groups</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#extended-click-area">Extended click area</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/obj.html#id1">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/obj.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/obj.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/obj.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/obj.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/arc.html">Arc (lv_arc)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/arc.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/arc.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/arc.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/arc.html#angles">Angles</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/arc.html#rotation">Rotation</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/arc.html#range-and-values">Range and values</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/arc.html#type">Type</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/arc.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/arc.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/arc.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/arc.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/arc.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/arc.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/bar.html">Bar (lv_bar)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/bar.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/bar.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/bar.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/bar.html#value-and-range">Value and range</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/bar.html#modes">Modes</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/bar.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/bar.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/bar.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/bar.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/bar.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/bar.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/btn.html">Button (lv_btn)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/btn.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btn.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btn.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/btn.html#states">States</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/btn.html#checkable">Checkable</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/btn.html#layout-and-fit">Layout and Fit</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btn.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btn.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btn.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/btn.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/btn.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btn.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/btnmatrix.html">Button matrix (lv_btnmatrix)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/btnmatrix.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btnmatrix.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btnmatrix.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/btnmatrix.html#button-s-text">Button's text</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/btnmatrix.html#control-buttons">Control buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/btnmatrix.html#one-check">One check</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/btnmatrix.html#recolor">Recolor</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/btnmatrix.html#aligning-the-button-s-text">Aligning the button's text</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/btnmatrix.html#notes">Notes</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btnmatrix.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btnmatrix.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btnmatrix.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/btnmatrix.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/btnmatrix.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/btnmatrix.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/calendar.html">Calendar (lv_calendar)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/calendar.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/calendar.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/calendar.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/calendar.html#id1">Overview</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/calendar.html#current-date">Current date</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/calendar.html#shown-date">Shown date</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/calendar.html#highlighted-days">Highlighted days</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/calendar.html#name-of-the-days">Name of the days</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/calendar.html#name-of-the-months">Name of the months</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/calendar.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/calendar.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/calendar.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/calendar.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/calendar.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/calendar.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/canvas.html">Canvas (lv_canvas)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/canvas.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/canvas.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/canvas.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/canvas.html#buffer">Buffer</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/canvas.html#palette">Palette</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/canvas.html#drawing">Drawing</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/canvas.html#transformations">Transformations</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/canvas.html#blur">Blur</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/canvas.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/canvas.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/canvas.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/canvas.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/canvas.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/canvas.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/checkbox.html">Checkbox (lv_cb)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/checkbox.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/checkbox.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/checkbox.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/checkbox.html#text">Text</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/checkbox.html#check-uncheck">Check/Uncheck</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/checkbox.html#disabled">Disabled</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/checkbox.html#get-set-checkbox-state">Get/Set Checkbox State</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/checkbox.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/checkbox.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/checkbox.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/checkbox.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/checkbox.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/checkbox.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/chart.html">Chart (lv_chart)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/chart.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/chart.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/chart.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#data-series">Data series</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#series-type">Series' type</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#modify-the-data">Modify the data</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#override-default-start-point-for-series">Override default start point for series</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#set-an-external-data-source">Set an external data source</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#get-current-chart-information">Get current chart information</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#update-modes">Update modes</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#number-of-points">Number of points</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#vertical-range">Vertical range</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#division-lines">Division lines</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#tick-marks-and-labels">Tick marks and labels</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#cursor">Cursor</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/chart.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/chart.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/chart.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/chart.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/chart.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/cont.html">Container (lv_cont)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/cont.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cont.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cont.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/cont.html#layout">Layout</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/cont.html#autofit">Autofit</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cont.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cont.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cont.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/cont.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/cont.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cont.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/cpicker.html">Color picker (lv_cpicker)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/cpicker.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cpicker.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cpicker.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/cpicker.html#type">Type</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/cpicker.html#set-color">Set color</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/cpicker.html#color-mode">Color mode</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/cpicker.html#knob-color">Knob color</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cpicker.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cpicker.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cpicker.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/cpicker.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/cpicker.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/cpicker.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/dropdown.html">Drop-down list (lv_dropdown)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/dropdown.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/dropdown.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/dropdown.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/dropdown.html#id1">Overview</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/dropdown.html#set-options">Set options</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/dropdown.html#get-selected-option">Get selected option</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/dropdown.html#direction">Direction</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/dropdown.html#symbol">Symbol</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/dropdown.html#maximum-height">Maximum height</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/dropdown.html#show-selected">Show selected</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/dropdown.html#animation-time">Animation time</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/dropdown.html#manually-open-close">Manually open/close</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/dropdown.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/dropdown.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/dropdown.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/dropdown.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/dropdown.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/dropdown.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/gauge.html">Gauge (lv_gauge)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/gauge.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/gauge.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/gauge.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/gauge.html#set-value-and-needles">Set value and needles</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/gauge.html#scale">Scale</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/gauge.html#range">Range</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/gauge.html#needle-image">Needle image</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/gauge.html#critical-value">Critical value</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/gauge.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/gauge.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/gauge.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/gauge.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/gauge.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/gauge.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/img.html">Image (lv_img)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/img.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/img.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/img.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/img.html#image-source">Image source</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/img.html#label-as-an-image">Label as an image</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/img.html#transparency">Transparency</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/img.html#palette-and-alpha-index">Palette and Alpha index</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/img.html#recolor">Recolor</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/img.html#auto-size">Auto-size</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/img.html#mosaic">Mosaic</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/img.html#offset">Offset</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/img.html#transformations">Transformations</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/img.html#rotate">Rotate</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/img.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/img.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/img.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/img.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/img.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/img.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/imgbtn.html">Image button (lv_imgbtn)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/imgbtn.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/imgbtn.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/imgbtn.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/imgbtn.html#image-sources">Image sources</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/imgbtn.html#button-features">Button features</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/imgbtn.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/imgbtn.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/imgbtn.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/imgbtn.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/imgbtn.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/imgbtn.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/keyboard.html">Keyboard (lv_keyboard)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/keyboard.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/keyboard.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/keyboard.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/keyboard.html#modes">Modes</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/keyboard.html#assign-text-area">Assign Text area</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/keyboard.html#new-keymap">New Keymap</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/keyboard.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/keyboard.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/keyboard.html#examples">Examples</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/keyboard.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/keyboard.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/keyboard.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/label.html">Label (lv_label)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/label.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/label.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/label.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/label.html#set-text">Set text</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/label.html#line-break">Line break</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/label.html#long-modes">Long modes</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/label.html#text-align">Text align</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/label.html#text-recolor">Text recolor</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/label.html#very-long-texts">Very long texts</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/label.html#symbols">Symbols</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/label.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/label.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/label.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/label.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/label.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/label.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/led.html">LED (lv_led)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/led.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/led.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/led.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/led.html#brightness">Brightness</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/led.html#toggle">Toggle</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/led.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/led.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/led.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/led.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/led.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/led.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/line.html">Line (lv_line)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/line.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/line.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/line.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/line.html#set-points">Set points</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/line.html#auto-size">Auto-size</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/line.html#invert-y">Invert y</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/line.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/line.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/line.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/line.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/line.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/line.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/list.html">List (lv_list)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/list.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/list.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/list.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/list.html#add-buttons">Add buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/list.html#delete-buttons">Delete buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/list.html#manual-navigation">Manual navigation</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/list.html#layout">Layout</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/list.html#edge-flash">Edge flash</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/list.html#scroll-propagation">Scroll propagation</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/list.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/list.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/list.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/list.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/list.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/list.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/linemeter.html">Line meter (lv_lmeter)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/linemeter.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/linemeter.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/linemeter.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/linemeter.html#set-value">Set value</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/linemeter.html#range-and-angles">Range and Angles</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/linemeter.html#angle-offset">Angle offset</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/linemeter.html#mirror">Mirror</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/linemeter.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/linemeter.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/linemeter.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/linemeter.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/linemeter.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/linemeter.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/msgbox.html">Message box (lv_msgbox)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/msgbox.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/msgbox.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/msgbox.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/msgbox.html#set-text">Set text</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/msgbox.html#add-buttons">Add buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/msgbox.html#auto-close">Auto-close</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/msgbox.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/msgbox.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/msgbox.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/msgbox.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/msgbox.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/objmask.html">Object mask (lv_objmask)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/objmask.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/objmask.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/objmask.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/objmask.html#adding-mask">Adding mask</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/objmask.html#update-mask">Update mask</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/objmask.html#remove-mask">Remove mask</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/objmask.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/objmask.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/objmask.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/objmask.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/objmask.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/objmask.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/page.html">Page (lv_page)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/page.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/page.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/page.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/page.html#scrollbars">Scrollbars</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/page.html#glue-object">Glue object</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/page.html#focus-object">Focus object</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/page.html#manual-navigation">Manual navigation</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/page.html#edge-flash">Edge flash</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/page.html#scroll-propagation">Scroll propagation</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/page.html#clean-the-page">Clean the page</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/page.html#scrollable-api">Scrollable API</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/page.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/page.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/page.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/page.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/page.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/roller.html">Roller (lv_roller)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/roller.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/roller.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/roller.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/roller.html#set-options">Set options</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/roller.html#get-selected-option">Get selected option</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/roller.html#align-the-options">Align the options</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/roller.html#visible-rows">Visible rows</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/roller.html#animation-time">Animation time</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/roller.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/roller.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/roller.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/roller.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/roller.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/roller.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/slider.html">Slider (lv_slider)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/slider.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/slider.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/slider.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/slider.html#value-and-range">Value and range</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/slider.html#symmetrical-and-range">Symmetrical and Range</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/slider.html#knob-only-mode">Knob-only mode</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/slider.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/slider.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/slider.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/slider.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/slider.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/slider.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/spinbox.html">Spinbox (lv_spinbox)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinbox.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinbox.html#parts-and-styles">Parts and Styles</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/spinbox.html#set-format">Set format</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/spinbox.html#value-and-ranges">Value and ranges</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinbox.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinbox.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinbox.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/spinbox.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/spinbox.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinbox.html#api">API</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinbox.html#id1">Example</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/spinner.html">Spinner (lv_spinner)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinner.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinner.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinner.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/spinner.html#arc-length">Arc length</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/spinner.html#spinning-speed">Spinning speed</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/spinner.html#spin-types">Spin types</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/spinner.html#spin-direction">Spin direction</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinner.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinner.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinner.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/spinner.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/spinner.html#id1">MicroPython</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/spinner.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/spinner.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/switch.html">Switch (lv_switch)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/switch.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/switch.html#parts-and-styles">Parts and Styles</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/switch.html#change-state">Change state</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/switch.html#animation-time">Animation time</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/switch.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/switch.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/switch.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/switch.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/switch.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/switch.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/table.html">Table (lv_table)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/table.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/table.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/table.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/table.html#rows-and-columns">Rows and Columns</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/table.html#width-and-height">Width and Height</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/table.html#set-cell-value">Set cell value</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/table.html#align">Align</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/table.html#cell-type">Cell type</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/table.html#merge-cells">Merge cells</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/table.html#crop-text">Crop text</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/table.html#scroll">Scroll</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/table.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/table.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/table.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/table.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/table.html#id1">MicroPython</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/table.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/table.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/tabview.html">Tabview (lv_tabview)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/tabview.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/tabview.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/tabview.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/tabview.html#adding-tab">Adding tab</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/tabview.html#change-tab">Change tab</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/tabview.html#change-tab-s-name">Change tab's name</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/tabview.html#tab-button-s-position">Tab button's position</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/tabview.html#animation-time">Animation time</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/tabview.html#scroll-propagation">Scroll propagation</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/tabview.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/tabview.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/tabview.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/tabview.html#c">C</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/tabview.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/tabview.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="widgets/textarea.html">Text area (lv_textarea)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="widgets/textarea.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/textarea.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/textarea.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#add-text">Add text</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#placeholder">Placeholder</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#delete-character">Delete character</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#move-the-cursor">Move the cursor</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#hide-the-cursor">Hide the cursor</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#cursor-blink-time">Cursor blink time</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#one-line-mode">One line mode</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#password-mode">Password mode</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#text-align">Text align</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#accepted-characters">Accepted characters</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#max-text-length">Max text length</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#very-long-texts">Very long texts</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#select-text">Select text</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#scrollbars">Scrollbars</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#scroll-propagation">Scroll propagation</a></li>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#edge-flash">Edge flash</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="widgets/textarea.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/textarea.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="widgets/textarea.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="widgets/textarea.html#c">C</a></li>
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<h1>Welcome to the documentation of LVGL!<a class="headerlink" href="#welcome-to-the-documentation-of-lvgl" title="Permalink to this headline">¶</a></h1>
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